There are activities performed and objects present in science lessons that are potentially harmful to the pupil
That there are rules that must be followed if the objects and activities are not to harm the pupil.
How to light a Bunsen burner
Names & functions of common laboratory equipment
How to perform a simple physical separation
Key words:
Hazard / hazardous
Bunsen burner
Chemicals
Dissolve
Flammable
Corrosive
Toxic
Caustic
Useful notes: Science in school is a very safe subject. It stays this way only because teachers are continuously reminding pupils of the dangers, enforcing strict adherence to the rules and because pupils are willing to think about safety.